/* ============================================================
   Wikibook V2 — Layout (Header, Nav, Footer, Sections)
   시안 wikibook-b/shared.jsx 의 Header/Marquee/Footer 디자인.
   ============================================================ */

/* --- 공지 마키 (홈 전용, 헤더 아래) -------------------------- */
.wb-marquee {
  background: var(--wb-ink); color: #fff;
  padding: 8px 32px; font-size: 12px; font-family: var(--wb-mono);
  letter-spacing: 0.5px; display: flex; gap: 48px; overflow: hidden; white-space: nowrap;
}

/* --- 사이트 헤더 --------------------------------------------- */
.site-header {
  border-bottom: 1px solid var(--wb-ink); background: #fff;
  position: sticky; top: 0; z-index: 50;
}
.site-header__top {
  padding: 14px 32px; display: flex; align-items: center; gap: 32px;
  border-bottom: 1px solid var(--wb-line);
}
/* 본문 랜드마크 — 헤더/푸터 사이를 채워 푸터를 항상 하단에 고정 */
.site-main { flex: 1 0 auto; }

.site-brand { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.site-brand__mark { width: auto; height: 30px; background: none; display: block; }
.site-brand__name { font-size: 17px; font-weight: 800; letter-spacing: -0.3px; }

/* --- 주 내비게이션 ------------------------------------------- */
.site-nav { display: flex; padding: 0 32px; align-items: center; }
.site-nav__item {
  padding: 12px 18px; font-size: 16px; font-weight: 500;
  color: var(--wb-ink); border-bottom: 2px solid transparent;
  cursor: pointer; margin-bottom: -1px; position: relative;
  display: flex; align-items: center; gap: 4px; white-space: nowrap;
}
.site-nav__item.is-active,
.site-nav__item:hover {
  font-weight: 700; color: var(--wb-accent);
  border-bottom-color: var(--wb-accent);
}
.site-nav__spacer { flex: 1; }
.site-nav__caret { transition: transform 0.15s; }
.wb-dropdown.is-open .site-nav__caret { transform: rotate(180deg); }

/* --- 시리즈 드롭다운 ------------------------------------------ */
.wb-dropdown { position: relative; }
.wb-dropdown__menu {
  position: absolute; top: 100%; left: 0;
  min-width: 680px; max-width: calc(100vw - 32px);
  background: #fff; border: 1px solid var(--wb-ink);
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  padding: 18px; z-index: 100;
  display: none;
  max-height: 70vh; overflow-y: auto;
}
.wb-dropdown.is-open .wb-dropdown__menu { display: block; animation: wb-fadeIn 0.2s ease; }
.wb-dropdown__section-label {
  font-size: 10px; letter-spacing: 1.5px; color: var(--wb-mute);
  font-weight: 700; margin-bottom: 10px;
}
.wb-dropdown__series { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px 16px; }
.wb-series-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 8px; border-bottom: 1px solid var(--wb-line);
}
.wb-series-item:hover { background: var(--wb-panel); }
.wb-series-item__code {
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  background: var(--wb-ink); color: #fff; font-size: 10px; font-weight: 800;
  letter-spacing: 0.5px; flex-shrink: 0; font-family: var(--wb-mono);
}
.wb-series-item__body { flex: 1; min-width: 0; }
.wb-series-item__name { font-size: 13px; font-weight: 700; letter-spacing: -0.2px; }
.wb-series-item__count { font-family: var(--wb-mono); font-size: 11px; color: var(--wb-mute); }

/* --- 검색 (자동완성) ------------------------------------------ */
.wb-search { position: relative; flex: 1; max-width: 440px; }
.wb-search__form {
  display: flex; align-items: center; gap: 8px;
  background: var(--wb-panel); padding: 8px 14px; border: 1px solid var(--wb-line); margin: 0;
}
.wb-search__svg { flex-shrink: 0; }
.wb-search__input {
  flex: 1; border: none; background: transparent;
  font-size: 12px; outline: none; padding: 0; min-width: 0;
}
.wb-search__input:focus { outline: none; }
.wb-search__icon {
  font-family: var(--wb-mono); font-size: 10px; color: var(--wb-mute);
  border: 1px solid var(--wb-line); padding: 2px 5px; pointer-events: none; flex-shrink: 0;
}
.wb-search__suggest {
  position: absolute; top: 100%; left: 0; right: 0; margin-top: 2px;
  background: #fff; border: 1px solid var(--wb-ink);
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  z-index: 100; max-height: 420px; overflow: auto;
  display: none;
}
.wb-search.is-open .wb-search__suggest { display: block; animation: wb-fadeIn 0.2s ease; }
.wb-search__suggest-group {
  padding: 8px 14px; font-size: 10px; color: var(--wb-mute);
  letter-spacing: 1px; background: var(--wb-panel); font-family: var(--wb-mono);
}
.wb-search__suggest-item {
  display: flex; gap: 12px; padding: 10px 14px; align-items: center; cursor: pointer;
  border-bottom: 1px solid var(--wb-line);
}
.wb-search__suggest-item:hover { background: var(--wb-panel); }
.wb-search__suggest-body { flex: 1; min-width: 0; }
.wb-search__suggest-title {
  display: block; font-size: 13px; font-weight: 600; letter-spacing: -0.2px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.wb-search__suggest-meta { display: block; font-size: 11px; color: var(--wb-mute); margin-top: 2px; }
.wb-search__suggest-price { font-size: 12px; font-weight: 700; color: var(--wb-accent); align-self: center; }
.wb-search__suggest-all {
  display: block; padding: 10px 14px; font-size: 12px; text-align: center; cursor: pointer;
  color: var(--wb-accent); font-weight: 600; border-bottom: 1px solid var(--wb-line);
}
.wb-search__suggest-cat {
  display: flex; justify-content: space-between; padding: 10px 14px; font-size: 13px; cursor: pointer;
}
.wb-search__suggest-cat:hover { background: var(--wb-panel); }
.wb-search__suggest-cat-code { font-family: var(--wb-mono); font-size: 10px; color: var(--wb-accent); margin-right: 8px; }
.wb-search__suggest-cat-count { font-size: 11px; color: var(--wb-mute); }
.wb-search__suggest-empty { padding: 20px; text-align: center; color: var(--wb-mute); font-size: 12px; }

/* --- 푸터 (밝은 패널) ----------------------------------------- */
.site-footer {
  border-top: 2px solid var(--wb-ink);
  padding: 36px 32px 28px;
  background: var(--wb-panel);
  margin-top: auto; /* 콘텐츠가 짧아도 푸터를 화면 하단에 고정 */
}
.site-footer__grid {
  display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 28px;
}
.site-footer__brand { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
.site-footer__brand-mark { width: auto; height: 26px; background: none; display: block; }
.site-footer__brand-name { font-weight: 800; font-size: 16px; }
.site-footer__address { font-size: 13px; color: var(--wb-mute); line-height: 1.7; }
.site-footer h4 {
  font-family: var(--wb-font); font-size: 14px;
  font-weight: 700; margin: 0 0 10px; color: var(--wb-ink);
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li a { display: block; font-size: 14px; color: var(--wb-mute); line-height: 2; }
.site-footer li a:hover { color: var(--wb-ink); }
.site-footer__legal {
  font-size: 12px; color: var(--wb-mute); font-family: var(--wb-mono);
  padding-top: 16px; border-top: 1px solid var(--wb-line);
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
}
.site-footer__legal a { color: var(--wb-ink); }
.site-footer__legal a.is-strong { font-weight: 700; }
.site-footer__legal .sep { opacity: 0.4; }

/* --- 페이지 컨테이너 ------------------------------------------ */
.wb-section { padding: 40px 32px; border-bottom: 1px solid var(--wb-line); }
.wb-section__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 20px; }
.wb-section__title { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; }
.wb-section__more { font-size: 12px; font-family: var(--wb-mono); color: var(--wb-mute); cursor: pointer; }
.wb-section__more:hover { color: var(--wb-accent); }

/* 브레드크럼 */
.wb-breadcrumb {
  padding: 12px 32px; font-size: 11px; font-family: var(--wb-mono);
  letter-spacing: 1px; color: var(--wb-mute); border-bottom: 1px solid var(--wb-line);
}
.wb-breadcrumb a:hover { color: var(--wb-ink); }
.wb-breadcrumb__sep { margin: 0 6px; }
.wb-breadcrumb__current { color: var(--wb-accent); }

/* 그리드 */
.wb-grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px 20px; }
.wb-grid-5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.wb-grid-6 { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }